. Dual gap model associated with----
ड्युअल गॅप मॉडेल ---शी संबंधित आहे.
A. Marshall /मार्शल
B.Chenery/चेनरी
C.Chemberiin/चेंबरलीन
D. Ricardo/ रिकार्डो
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your answer is
c is the ans
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An object is placed at a distance of 20 cm from a convex lens of focal length 10cm
find the location, Nature and magnification
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